With regard to limits of temperatures, there is
A. a lower limit of temperature.
B. no upper limit of temperature.
C. both of these are correct
D. none of the above are correct
Answer: C
You might also like to view...
Hydraulic fracturing is
A) a new technique of producing power using water. B) the use of cold fusion to produce nuclear power. C) a technique which forces oil and gas out of shale rock. D) an experimental technique for extracting oil from the ocean floor.
Preserved rocks in North America are generally less than ________
A) 10 km thick B) 3.5 billion years old C) 2.7 g/cm3 in density D) 20 km wide E) 50 km long
Deforestation of rain forests exposes tropical soils that are famous for their low fertility, despite the fact that they had previously hosted a lush tropical forest. Which soil type would describe these soils?
A) Andisols—young soils formed on volcanic ash and volcanogenic sediment B) Histosols—Organic soils with little or no climatic implications. Can be found in any climate where organic debris can accumulate to form a bog soil. Dark, partially decomposed organic material commonly referred to as peat C) Vertisols—Soils containing large amounts of clay, which shrink upon drying and swell with the addition of water. Found in subhumid to arid climates D) Oxisols—Soils that occur on old land surfaces unless parent materials were strongly weathered before they were deposited. Rich in iron and aluminum oxides, Oxisols are heavily leached, hence are poor soils for agricultural activity
Although most of the world's forest are shrinking, biologist are especially concerned about tropical forest loss because?